Ayman Rimah Said

Ayman Rimah Said is a Chargé de recherche (Researcher) at the French National Centre for Scientific Research (CNRS), affiliated with the Laboratoire de Mathématiques de Reims (LMR - UMR 9008) at the University of Reims Champagne-Ardenne. Previously, he held prestigious postdoctoral positions as a Research Associate at the University of Cambridge under Pierre Raphaël and as a Griffiths Research Assistant Professor at Duke University hosted by Tarek M. Elgindi. His academic foundation includes a PhD from École Normale Supérieure Paris-Saclay and the Laboratoire de Mathématiques d’Orsay, supervised by Thomas Alazard.

Dr. Said's research program centers on mathematical analysis with emphasis on microlocal techniques, partial differential equations, and fluid mechanics. His work systematically investigates fundamental problems in 2D incompressible Euler equations—including steady flows, singularity formation, and long-time dynamics—as well as dispersive Burgers systems, water waves, and passive scalar transport. He employs advanced analytical frameworks like paradifferential calculus and commutator estimates to address geometric and quantitative aspects of fluid behavior.

His recent publications (2021-2025) reveal a cohesive trajectory exploring singularity mechanisms in fluid flows, with seminal contributions to classification theorems for steady Euler solutions, quantitative mixing theory, and geometric analyses of logarithmic spirals. Methodologically, his work bridges abstract microlocal analysis with physical fluid phenomena through innovative applications of Christ-Journé commutators and paracomposition techniques.

No scientific awards were documented in the source materials. While no formal graduate student advising relationships were specified, his collaborative publications with leading mathematicians—including Tarek Elgindi, Pierre Raphaël, and In-Jee Jeong—demonstrate active engagement in international research networks. Dr. Said has contributed to graduate education through courses on distributions and functional analysis at École Normale Supérieure Paris-Saclay (2019).

Currently embedded in the Laboratoire de Mathématiques de Reims, he maintains research connections with Cambridge and Duke institutions. His ongoing work focuses on scale-invariant Euler solutions and mixing phenomena, with recent results accepted by top journals including the Journal of the European Mathematical Society and Annales de l’ENS.